Grand Coulee Dam: Biggest Dam in USA
Grand Coulee dam is the biggest dam of United States. Situated on River of Columbia, it is the largest concrete structure of USA. It is also the largest electricity producing project of USA while it is ranked as fifth largest electricity producing dam in the world. The nearest city to this dam is Washington. Its length comprises on 5,223 ft and it is raised to the height of 550 ft. It has 33 heavy turbines with the installed capacity of 6809 MV. The annual generation of electricity leads to 21 billion kwh.